Question

Why does a desert cooler cool better on a hot dry day? (2 marks)

Answer 1

A desert cooler cools better on a hot dry day because on a hot dry daytemperature is high and humidity is less which helps in better evaporation. Due to the higher rate of evaporation it gives better cooling effect.

Answer 2

A desert cooler cools better on a hot dry day because on a hot dry day temperature is high and humidity is less which helps in better evaporation. Due to the higher rate of evaporation it gives better cooling effect. Desert cooler cools better on a hot dry day because the temperature of the atmosphere increases the rate of evaporation also increases and in hot day the humidity in atmosphere is less.If humidity is less evaporation is more.This gives better cooling effect.